<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .box1 {
            background-color: #ff4400;
            width: 100px;
        }
    </style>
    <style>
        .box2 {
            background-color: aqua;
            width: 100px;
        }
    </style>
</head>
<body>
<div class="box1">
    hello world
</div>
<div class="box2">
    hello world2
</div>


</body>
</html>